A = 180
b = 180
c = 180
180+180-180 = 180
Let's first rewrite it in vertex form.
Start by completing the square.
y = x² + 4x + 4 - 4 - 1
y = (x + 2)² - 5
(x + 2)² = y + 5
Now, 4a = 1; a =

So, the vertex form is (x + 2)² = 4(

)(y + 5)
So, we know that the vertex is at (-2, -5).
Since it's a concave up parabola, we just have to change the y-value to find the focus.
∴ F(-2, -5 +

)
F(-2,

)
Answer:
$5,300
Step-by-step explanation:
Formulae used,



Where,





Putting the values from the table, we get the best fit line as,

As we want to calculate the profit at 350 pounds, so putting x=350, we get

Answer:
The least value is 1
Step-by-step explanation:
Area of a Parellelogram = Base x Height